Home / 165,614.40-228,546.48-90,162.72

Finding the Fourth Proportional to 165,614.40, 228,546.48 and 90,162.72

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Solution

The fourth proportional to 165,614.40, 228,546.48 and 90,162.72 is: 124,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,614.40 : 228,546.48 = 90,162.72 : x
  2. Step 2: Convert to fraction form
    165,614.40/228,546.48 = 90,162.72/x
  3. Step 3: Cross multiply
    165,614.40x = 228,546.48 × 90,162.72
  4. Step 4: Simplify right side
    165,614.40x = 20,606,372,283.23
  5. Step 5: Solve for x
    x = 20,606,372,283.23/165,614.40
  6. Step 6: Final answer
    x = 124,423.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.